/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.table.operations.utils;

import org.apache.flink.annotation.Internal;
import org.apache.flink.table.api.ValidationException;
import org.apache.flink.table.catalog.CatalogBaseTable;

import java.util.Locale;

/** Utility class for validation of operations. */
@Internal
public final class ValidationUtils {

    private ValidationUtils() {}

    public static void validateTableKind(
            CatalogBaseTable baseTable, CatalogBaseTable.TableKind expected, String operationName) {
        final CatalogBaseTable.TableKind kind = baseTable.getTableKind();
        if (kind == expected) {
            return;
        }

        throw new ValidationException(
                String.format(
                        "%s for a %s is not allowed",
                        operationName.toUpperCase(Locale.ROOT),
                        kind.name().toLowerCase(Locale.ROOT).replace('_', ' ')));
    }
}
